Harman,David, & Keehn, T. B. (1973). Functional education for family life planning, II: Program Design. World Education.
芝加哥风格引文Harman,David, 与 Thomas B. Keehn. Functional Education for Family Life Planning, II: Program Design. New York: World Education, 1973.
MLA引文Harman,David, 与 Thomas B. Keehn. Functional Education for Family Life Planning, II: Program Design. World Education, 1973.
警告：这些引文格式不一定是100％准确.